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52897968 = 2433122449
BaseRepresentation
bin1100100111001…
…0100010110000
310200112111101000
43021302202300
5102020213333
65125442000
71211424324
oct311624260
9120474330
1052897968
1127950032
1215870300
13ac61496
14704d984
15499d713
hex32728b0

52897968 has 40 divisors (see below), whose sum is σ = 151838000. Its totient is φ = 17632512.

The previous prime is 52897967. The next prime is 52897973. The reversal of 52897968 is 86979825.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52897961) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 60793 + ... + 61656.

It is an arithmetic number, because the mean of its divisors is an integer number (3795950).

Almost surely, 252897968 is an apocalyptic number.

It is an amenable number.

52897968 is an abundant number, since it is smaller than the sum of its proper divisors (98940032).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

52897968 is a wasteful number, since it uses less digits than its factorization.

52897968 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 122466 (or 122454 counting only the distinct ones).

The product of its digits is 2177280, while the sum is 54.

The square root of 52897968 is about 7273.0989268674. The cubic root of 52897968 is about 375.3873757024.

The spelling of 52897968 in words is "fifty-two million, eight hundred ninety-seven thousand, nine hundred sixty-eight".

Divisors: 1 2 3 4 6 8 9 12 16 18 24 27 36 48 54 72 108 144 216 432 122449 244898 367347 489796 734694 979592 1102041 1469388 1959184 2204082 2938776 3306123 4408164 5877552 6612246 8816328 13224492 17632656 26448984 52897968